obscene – adjective malaswa masama mahalay
obscure
obscure – adjective malabo hindi maaninag
observant
observant – adjective mapagmasid
observation
observation – noun pagmamasid pagmamatyag
observe
observe – verb pagmasdan magmasid
obsolete
obsolete – adjective lipas na laos
obstacle
obstacle – noun hadlang sagabal balakid
obstinate
obstinate – adjective matigas ang ulo suwail sutil
obstruct
obstruct noun balakid hadlang verb hadlangan
obstruction
obstruction – noun hadlang